ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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Issue
vol 67 / January, 2024
Article
UDC 681.787

REMOTE TESTING OF MICROLENS WITH THE USE OF LOW-COHERENCE INTERFEROMETRY AND OPTICAL COHERENCE TOMOGRAPHY

M. A. Volynsky
ITMO University, Saint Petersburg, 197101, Russian Federation; Institute of Automation and Control Processes, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, 690041, Russian Federation; Chief Researcher; Leading Researcher


E. A. Vorobyeva
St. Petersburg State University of Information Technologies, Mechanics and Optics; Junior Scientist


I. P. Gurov
ITMO University, 197101, Saint Petersburg, Russian Federation; Head of Chair


N. B. Margaryants
ITMO University, 197101, Saint Petersburg, Russian Federation; Senior Researcher


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Abstract. Main features of low-coherence interferometric methods and optical coherence tomography as applied to high-resolution investigation of surface micro relief and microstructure of samples of various materials are considered. Results are presented of practical employment of the two methods for study of a polymer material surface, microstructure of a paper sample, and for analysis of lacquer layer microstructure carried out for assessment of condition of a painting for further restoration with the use of laser technologies.
Keywords: remote testing, microobject, low-coherence interferometry method, optical coherence tomography.